Note 7: Investments

We have current and long-term investments intended to enhance returns on our cash as well as to fund future obligations of our non-qualified defined benefit retirement plan, our executive deferred compensation plan, and our performance compensation retirement plan. We also hold other investments consisting of cost-basis preferred shares of two privately-held companies. Our short-term investments are included in other current assets and our long-term investments are included in other long-term assets on our consolidated balance sheet. The following summarizes our investments at April 28, 2018, and April 29, 2017:

(Amounts in thousands)	4/28/2018		4/29/2017
Short-term investments:
Available-for-sale investments	$	12,832	$	15,040
Trading securities	94		6
Held-to-maturity investments	3,340		1,867

Total short-term investments	16,266		16,913

Long-term investments:
Available-for-sale investments	32,134		31,264
Cost basis investments	10,954		5,500

Total long-term investments	43,088		36,764


Total investments	$	59,354	$	53,677


Investments to enhance returns on cash	$	34,359	$	33,087
Investments to fund compensation/retirement plans	$	14,041	$	13,690
Other investments	$	10,954	$	6,900

The following is a summary of the unrealized gains, unrealized losses, and fair value by investment type at April 28, 2018, and April 29, 2017:

Fiscal 2018

(Amounts in thousands)	Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Equity securities	$	2,142	$	(39	)	$	18,671
Fixed income	29		(418		)	36,312
Mutual funds	—		—			94
Other	72		—			4,277

Total securities	$	2,243	$	(457	)	$	59,354

Fiscal 2017

(Amounts in thousands)	Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Equity securities	$	1,796	$	(83	)	$	13,610
Fixed income	729		(72		)	37,580
Mutual funds	—		—			6
Other	1		(8		)	2,481

Total securities	$	2,526	$	(163	)	$	53,677

The following table summarizes sales of available-for-sale securities (for the fiscal years ended):

	(52 weeks)			(52 weeks)			(53 weeks)
(Amounts in thousands)	4/28/2018			4/29/2017			4/30/2016
Proceeds from sales	$	22,674		$	19,954		$	28,721
Gross realized gains	1,302			926			997
Gross realized losses	(532		)	(455		)	(561		)

At April 28, 2018, the fair value of fixed income available-for-sale securities by contractual maturity was $12.9 million within one year, $21.0 million within two to five years, $1.4 million within six to ten years and $1.0 million thereafter.